make some conversion

Author: Dee

Diff for: Kth Largest Element/kthLargest.playground/Contents.swift

@@ -1,9 +1,9 @@
 //: Playground - noun: a place where people can play
 
-func kthLargest(a: [Int], k: Int) -> Int? {
+func kthLargest(_ a: [Int], _ k: Int) -> Int? {
   let len = a.count
   if k > 0 && k <= len {
-    let sorted = a.sort()
+    let sorted = a.sorted()
     return sorted[len - k]
   } else {
     return nil
@@ -12,23 +12,23 @@ func kthLargest(a: [Int], k: Int) -> Int? {
 
 let a = [5, 1, 3, 2, 7, 6, 4]
 
-kthLargest(a, k: 0)
-kthLargest(a, k: 1)
-kthLargest(a, k: 2)
-kthLargest(a, k: 3)
-kthLargest(a, k: 4)
-kthLargest(a, k: 5)
-kthLargest(a, k: 6)
-kthLargest(a, k: 7)
-kthLargest(a, k: 8)
+kthLargest(a, 0)
+kthLargest(a, 1)
+kthLargest(a, 2)
+kthLargest(a, 3)
+kthLargest(a, 4)
+kthLargest(a, 5)
+kthLargest(a, 6)
+kthLargest(a, 7)
+kthLargest(a, 8)
 
 
 
 
 import Foundation
 
 /* Returns a random integer in the range min...max, inclusive. */
-public func random(min min: Int, max: Int) -> Int {
+public func random( min: Int, max: Int) -> Int {
   assert(min < max)
   return min + Int(arc4random_uniform(UInt32(max - min + 1)))
 }
@@ -37,22 +37,22 @@ public func random(min min: Int, max: Int) -> Int {
   Swift's swap() doesn't like it if the items you're trying to swap refer to
   the same memory location. This little wrapper simply ignores such swaps.
 */
-public func swap<T>(inout a: [T], _ i: Int, _ j: Int) {
+public func swap<T>(_ a:inout [T], _ i: Int, _ j: Int) {
   if i != j {
     swap(&a[i], &a[j])
   }
 }
 
-public func randomizedSelect<T: Comparable>(array: [T], order k: Int) -> T {
+public func randomizedSelect<T: Comparable>(_ array: [T], order k: Int) -> T {
   var a = array
 
-  func randomPivot<T: Comparable>(inout a: [T], _ low: Int, _ high: Int) -> T {
+  func randomPivot<T: Comparable>(_ a: inout[T], _ low: Int, _ high: Int) -> T {
     let pivotIndex = random(min: low, max: high)
     swap(&a, pivotIndex, high)
     return a[high]
   }
 
-  func randomizedPartition<T: Comparable>(inout a: [T], _ low: Int, _ high: Int) -> Int {
+  func randomizedPartition<T: Comparable>(_ a: inout[T], _ low: Int, _ high: Int) -> Int {
     let pivot = randomPivot(&a, low, high)
     var i = low
     for j in low..<high {
@@ -65,7 +65,7 @@ public func randomizedSelect<T: Comparable>(array: [T], order k: Int) -> T {
     return i
   }
 
-  func randomizedSelect<T: Comparable>(inout a: [T], _ low: Int, _ high: Int, _ k: Int) -> T {
+  func randomizedSelect<T: Comparable>(_ a: inout [T], _ low: Int, _ high: Int, _ k: Int) -> T {
     if low < high {
       let p = randomizedPartition(&a, low, high)
       if k == p {

Diff for: Kth Largest Element/kthLargest.playground/playground.xcworkspace/xcshareddata/kthLargest.xcscmblueprint

@@ -0,0 +1,30 @@
+{
+  "DVTSourceControlWorkspaceBlueprintPrimaryRemoteRepositoryKey" : "CF309AABC690F91A443043D5C69EECB0069B5411",
+  "DVTSourceControlWorkspaceBlueprintWorkingCopyRepositoryLocationsKey" : {
+
+  },
+  "DVTSourceControlWorkspaceBlueprintWorkingCopyStatesKey" : {
+    "CF309AABC690F91A443043D5C69EECB0069B5411" : 9223372036854775807,
+    "FA0506A44181383605977F2A9C8020B861F7CE04" : 9223372036854775807
+  },
+  "DVTSourceControlWorkspaceBlueprintIdentifierKey" : "6CCD70DA-EE44-4E31-98F0-6DA8B083772A",
+  "DVTSourceControlWorkspaceBlueprintWorkingCopyPathsKey" : {
+    "CF309AABC690F91A443043D5C69EECB0069B5411" : "swift-algorithm-club\/",
+    "FA0506A44181383605977F2A9C8020B861F7CE04" : ""
+  },
+  "DVTSourceControlWorkspaceBlueprintNameKey" : "kthLargest",
+  "DVTSourceControlWorkspaceBlueprintVersion" : 204,
+  "DVTSourceControlWorkspaceBlueprintRelativePathToProjectKey" : "Kth Largest Element\/kthLargest.playground",
+  "DVTSourceControlWorkspaceBlueprintRemoteRepositoriesKey" : [
+    {
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/Deeer\/swift-algorithm-club.git",
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "CF309AABC690F91A443043D5C69EECB0069B5411"
+    },
+    {
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryURLKey" : "https:\/\/github.com\/Deeer\/CuteSticker.git",
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositorySystemKey" : "com.apple.dt.Xcode.sourcecontrol.Git",
+      "DVTSourceControlWorkspaceBlueprintRemoteRepositoryIdentifierKey" : "FA0506A44181383605977F2A9C8020B861F7CE04"
+    }
+  ]
+}